Ankle replacement surgery life-changing for some

If you know anyone who suffers from chronic pain, you know it can affect just about every aspect of their life, but ankle replacement surgery turned things around for a woman determined to keep moving. Five years ago, Tina Burd could not have ridden a bike without excruciating pain. Burd, a 60-year-old nurse and fitness instructor, had severe osteoarthritis in her left ankle.